temporary hardness


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Related to temporary hardness: Hardness of water

temporary hardness

[′tem·pə‚rer·ē ′härd·nəs]
(chemistry)
The portion of the total hardness of water that can be removed by boiling whereby the soluble calcium and magnesium bicarbonate are precipitated as insoluble carbonates.
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References in periodicals archive ?
When koi folk talk of kh they are referring to the alkalinity of the water; this can be called temporary hardness or carbonate hardness.
The Nitrate Cartridge targets aluminum, cadmium, chlorine, copper, lead, nitrates, pesticides, temporary hardness and zinc.
Many of the dissolved salts that cause hardness stay in solution and don't interfere with cleaning, but temporary hardness, caused by salts that come out of solution, can form a sediment.

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